After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters collide.

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

Astronomers have captured unprecedented, detailed images of two stellar explosions—known as novae—within days of their ...

Drawing on the University of Arizona’s renowned strength in interferometry, astronomers from Steward Observatory are leading ...

Is the interstellar comet 3I/ATLAS spinning? That is the question currently dominating online astronomy circles, fueled by ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

After cataloging thousands of worlds beyond our solar system, astronomers are now closing in on a far rarer prize: a moon ...

Scientists have uncovered a massive rotating structure in deep space, a 50-million-light-year cosmic filament where 14 ...